10ca28f8ae1d001c17f5e319e577ef50

使用JSP+Servlet+Hibernate+Struts实现的一个学生软件发布平台

package edu.neu.sspp.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import edu.neu.sspp.SSPPLogger;
import edu.neu.sspp.hibernate.TComment;
import edu.neu.sspp.hibernate.TCommentDAO;
import edu.neu.sspp.hibernate.TProject;
import edu.neu.sspp.hibernate.TProjectDAO;
import edu.neu.sspp.hibernate.TTeacher;
import edu.neu.sspp.hibernate.TTeacherDAO;
import edu.neu.sspp.hibernate.TUser;

public class UserFilter implements Filter{
	
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) 
  
    throws ServletException, IOException {
		
  HttpServletRequest httpRequest = (HttpServletRequest) request;
  HttpServletResponse httpResponse = (HttpServletResponse) response;


		if ( request.getParameter("ID")==""&&httpRequest.getSession().getAttribute("ID") == null)

			{Object loginForm = null;
			SSPPLogger.logInfo(((Object) loginForm).getClass() + " 登陆失败" + " IP:" + request.getRemoteAddr());
			httpResponse.sendRedirect("loginFore.jsp");
			}
		else			
		   
		     chain.doFilter(request, response);
		
	}

	public void init(FilterConfig config) throws ServletException {
	}

	public void destroy() {
	}


	
	
	

}